Let's Chat is an open source chat application is designed to provide self-hosted messaging service for small teams. Let's Chat is based on NodeJS and MongoDB. In this article, we'll take a look at how to deploy Let's Chat on a CentOS 7 sever. - A CentOS 7 server instance with at least 2G RAM. 4G RAM recommended. - A [sudo user](https://docs.vultr.com/how-to-use-sudo-on-a-vultr-cloud-server). When logging into your system for the first time, it's necessary to perform a system-wide update as follo......